Slicing and chopping machine



Sept. 20, i932.

A. c. sENsow 1,877,993

SLICING AND CHOPPING MACHINE Filed July 20, 1928 Patented Sept. Z0, 1932f einen` o. sEVNsoW, onine` 'IoRliIi-,- IinIAmI,l Assia-Noa To U4` s'.1sI/,Io-Iixey MACHINE ooi/ remix or LAIaoIzTE, INDIANA/AfooIteoRAmIoiI orINDIANA.

i fsLroIiGNij* CHOPPINQ MACHINE v I Y slicing machine havin-g affreelypigvoted slieing,':lenife-l unconnected t'o' any sour-eeofedriviing power and rotatable asy a Whole;` aimantvan.

Another objectIfi's-to provi-de a detaehable` i Ineansfforfrotatingthe'i knife about lits own axifsfvvhile the-knifeas'avvholev-is stationary so that the: knife can be easily 'shaijloenedand-cleaned.'

Other objects Willaippeari as Athe descrip-Y tion proeeeds l; :A 1

In the drawingae-f t e e 'y Eig; 1 anl elevation-off my improvedslieing? Ina'ehine with parts shownein Section- 'I3-hee outting'and.ohoppingmaehinefof the presentinventionf,While adapted'vto sliee and outa large variety of foodesubstancesgispari tioulzarl-vj eIive/i'ent`forf'cuttin-g substances I'vvhioli.V are i-nelin'edatoY be mntilathed-`with` the draw out girven by. the `uslial slitting; machinevv-ithvapositive. driven. rotary knife sucliqas pork chops,- fish,q ete.My Aifrnjz)i-'ovedlmachin-e isz also'peeullia-irlgv adapted fon thecuttinglof snbstanoes Whioll tend to; adlieifeto, i al rotary kn-ife1suoli` as candy orqsnbstances like, cake, the slices of which' are.iisuallyr mutilatedby aV pA sitive driven `notai-ey knife. withdrawingwienf i Slicing machinesasflieretoforefconstriietede havingV positively,driven rotarvA circular' kniweaare ynot` vvellA1 adapted" for. slicinglcake,` or othenI naterial`thek slices ofvvhioltareY easilvmntilatedf.forslioing ca-ndyrand similar stiokysubstanoes fortliereason that agreat' deal offlresistane" is; ofered tothe rotary movement of tlgiieknife .vvliicli'iinter'- feresjwith theouttingoperation"ofthe knife. I.have di'seoveremf tlat ,a .dise linife, is, ghovv'- ever, a'dinirablvaifaptedforeutting tfiese' siilistaneesv iirtlieknife is left' Wholiffree tol aesumefits own angular position up onit'sj ownaxiewhileforeedfthroughftbeiniaterial; j

. The presenti inwentioii'foontempiates f afslie- .vvholiylineonn'eotedV from any'soiiree of: dfriv-A m-gpower aiifidisi free' toYassume its proper the' knife; as al Whole; is rotating through thematerial' to' be out.

Vfhiie` it has heretofore been proposedffto provideea slieing knife'r'of-A 1 taftabjl'el as' ai Whole aibontaan eccentric; anis; positivedriving mechanismefor'rotatin'g the knife,.- eoniprising. some'form ofgearing,4 Bae been used.Y Even thouglrit" were' possible to freetimevgearing: per-rnittingf itto revolve .y

idly with the'. knife f arm',- .ae7 for instance,I re'- leasingjthegearr- Aifi tl-iefb'read siie'er such! as disclosedv irr thePatentNobI'MQS, it is found' that vthe inertiaj of the-*gearing conenetted to the knifeeaueesthe knife to-'revoljve aboutitsii own axisYandwliilethe knife does l not'r revoifve in` eonseqa'enoe'ofpesitiveiyap plied po-Wergtthe knifeis prevented-from auto:

niaitie'allyyseeling: the lrnost advantageousangularpesition-Iwithfrespeet to itsown `axis WlIenktlle lln-feisforoedintothernaterialf; i I; have discovered that 'by 'eliminating en-leientfin cntting'. sabstanbeszdiiiieult to slice;

theeliees 'eff sirenJ substance-sg when obtained Y tends, the driveshaftV being journaled inw the frarnef 14 andthe' bousingkl-'llbefsliafft 18 is rotated by' ar hand; vvheel 1'9"Whi'ch `C'Jperatesa; lever 2O eonneetedfbyalink 2'1'` and vvithfa one:- vvay drive 22 bymeans of Wliieliftlief-feed sorevvl is intermittently rotated.- 'FhehndYsoy rotationbya a,x pin 23 arilangeelT to' enteil' an' opening: "24Jin' the Wheel 119; Theshaft 18 VCarriee fat its forward `e-nd aiUishaped yoke i i @If iti-'is desiredl to sharpen the :knifeythe havingspaced arms 47 and 48 connected by the portion 25. A stud 49 projectsinwardly from the housing in alinement with the drive shaft 18 andthrough the roller bearings 50 serves as a bearing for the longer arm 48of the yoke. The knifeY ,shaftr 51 is 4j ournaled in roller bearings52F`at the top of thearm 48 and the circular disc slicing knife 28 isrigidwith the knife shaft 51. One end of the knife shaft-li's'providedwith ansoi'vcket 5 3 formed,V

' to receive thered'uced polygonal portion '45 of a detachable handle46. A i

Vhen' the handle 46 is removed andthe pin 23 is withdrawn from thesocket 24, the

hand wheel 19ymay be rotated causing the arm 48,?w-theknife -shaft 51,and the knife 28, to rotate about the aXis of :the shafts 18,and 49,theknife28, being free andwholly uncon-V nected; from any drivenmechanism Whatever,

l will automaticallyassume the most .favorable angularpositionforlicutting when'rit strikes the material 11, the material, as;.previously explainedg'being of anature that does not permit thelsever'ancei-ofwell formed slices with ,f a Vrotatinglmife orgwith aknife that does not freely assume.v the proper angular positionwith;,respect toits own axis when the knife strikes the material -to besliced. 1

isf-*very important4 that the knife 'can beeasilysharpened and cleaned,especially since the sticky material adheres to the .face V.0f theknife, impairingits efficiency. I have,-there fore, provided the housing15 withfa ,detachabletopwportion-43.` `When itis desired to sharpenorclean theknife, the `hand wheel i 19 is rotated untilthe hole 24 is in.position to receivefrthe'pin 23.. The arm 48 is then in uprightposition withfthe recess in the end of the shaft 51 alined Withanorificein the housl ing. 15 to receive the reduced e`nd v45v ofthe handle46.Vl'The knife 28fmay be then rotated byz means ofthe handle` and thematerial scraped olf the faceand the beveled edge portions of the knife.Y i

sharpening mechanism 44, which may be of any conventional kind, is movedin operative relation with respect to the rotating knife 28. i 'When' itis again desired to 'use vthe machine'yfor candy cutting, the handle 46is removed and`thepin23 is withdrawn, pei-,

mittingfrotationV oftheshaft 18 Iand the arm, a circular disc knifesecured to said knife shaft, said shaft having means thereon forcri-operating with a detachable handle for v rotating said shaft, saidpivoted knife shaft being wholly unconnected with the driving mechanismfor rotating saidknilfe, so thaty said knife is free to assumeitsownangular position in either direction of rotationrelative to itsownaXis during thermovement of said knife-through the material tobesliced.'

" 2; A slicing and chopping-'machine comprising in1 combination, acontinuously rotatable shaft, kan arm projecting from said shaft, aknife shaft, freely pivoted in said arm, av circular disc knife securedto said shaft, said pivoted knife shaft being unconnected with the'drivingmechanism'vfor.rotat-4 ing said knife so thats'aidknifef'isxfreegto assume its own angular position 1n either vdii-.

during the movements of said knife through v the material tobesteed,meanszfor'iioiaing said arm stationary, and Vadetachablehandleadapted to be'directlyconnectedjtolsaid-knife shafti for rot-ating saidknifeshaftand knife.

Aj slicing and chopping, machine com` in`-`isivn, 'l ;AEA incombination, vlajirotary driving Y A shaft,a pair of arms rigid withvsaid shaft,1a

slicing knife, said arms having asp'ace therebetween tolaccomrnodatesaidslicing*knife, a knife shaft rigid with saidl-kr'iiifefreely pivoted eccentric to saiddiiving' shaftinj one of saidarms, said pivoted* knife' vshaft#being wholly-unconnected withdrivinginechanisin free to vassume Iits ownangular position-*relaitiveto .its own axis duringthemovementf for rotatingfsaidwknife soV'thatsaid'jknife is Y Saai knife; tiri-retaliate maternitabesteed;

a Stationaryy 'casing covering Vsaid arms' ,and

knife when'inJippr position, saidlknife shaft s.:

being formed ato'ne'end to coopcrate with a'detachable',hanidlefor`rotating saidknife, K

` andmean'stfor locking said arinfstationarylin itsupperniost position,said casing havi'n'gan Y orifice throughwhi'ch saidy handle mayfpa's'sto engage saidlknife'shaftvvhensai'd armi's in its upper-position, theedges ofsaid orifice preventing rotation of said first shaftin'dependentlyjof ,said locking, means: it v 4. 'Afslicing andchopping'inachine nrisin-gin combinations-a continuously rotatey ing"driving shaft,'av'Y yoke having, ,afpair of se'pz'trated arms 'rigid'4with said shaft, asta-V tionarylstud,v shaft alined fwith said drivingVshaftupo'n which ,one-of'saidarms is jour-f f naled, aknifeshaftfireely lpivoted in one of said arms eccentric to. saiddrivingsfvhaft, aY

circular,disckniferigidwith saijdknifeshaft, Y.

said pivotedknife being wholly-unconnected-with driving mechanismfor'rotating said knifeso thatfsaid :knifejis freetofrassume its "ownangular posit-ionin either direction of rotationv relativfto itsown axisduring tf1@ iliovmilti of ySaid yknife 7'through the rectionof-,rotationrelative to itsown" aXis 55' terial to be sliced and Kmeansforrotating said Ydriving shaft.

5. In a slicing machine, the combination i with a rotatable arm, of farotatablevknife carriedby said arm eccentrically of the axis of rotation-of said `ar1n,ra casing for `substantlallyenclosing said arm and vknifewhileV Y said arm and knife are in one position, said y y rotating sa-idarm about: its axis, said knife Vhaving the cutting planethereof passingbetween the ends of said shafts, a rigid connec- V tion between said armand said second shaft s o .that both of said shafts support said armrigidly for rotation aboutits axis, means for rotating said secondmentioned shaft, and an operating handle having a detachable connectionwith said knife connectable only at a predetermined position of saidknife and when said knife is in that position, saidhandle is connectableto said knife substantiallyv concentrically withrespect to the axis of'Y rotation of said knife.

7 In a slicing machine, the combination with a housing, a stub shaftmounted rigidly on said housing, an arm journaled for rotation aboutsaidstub shaft while supported thereby, a freely rotatable knife carried bysaid arm eccentrically of said stub shaft, a

- drive shaft for rotating said arm about its a-Xis,'said knife'havingthe cutting plane thereof passing between theendsl of said shafts, arigid connection between said arm and said second shaft so that both ofsaid shafts support said arm rigidly for rotation about its axis, meansfor rotating said second mentioned shaft, a spindle to which said tweenthev ends of said shafts, a rigid connection between said arm and saidsecond shaft so that both of saidshafts vsupport said arm rigidly forrotation about its axis, means for rotating said second mentioned shaft,aspindle to which said knife is directly secured, anti-friction bearingfor said spindle, and a handle having a direct detachable connec-` tionwith said spindle for rotating said spindle for sharpening purposes,said knife spint dlebeing wholly unencumberedby driving mechanismtherefor. y

In testimony whereof I have signed my namel to this speciiicationon this17thvv day of July, A. I). 1928.

' ANTON C. SENSOW.

knife is directly secured, anti-friction bearings for said spindle, anda handle having a direct detachable connection with said spindle forrotating said spindle and having means thereon cooperating with aportion of said slicing machine for holding'- said knife insharpeningposition as said knife is rotated by said handle.

8. In a slicing machine, the combination with a housing, a stubshaftmounted rigidly on said housing, an arm journaled for rotationabout said stub shaft while supported thereby, a knife carried by saidarm-eccentrically of said stub shaft, a drive shaft for rotating saidarm about its axis, said knife z: having the cutting plane thereofpassing be-

